A ruble with well-preserved details.
Obverse: crowned eagle of the Russian Empire, on the sides of the tail the initials of the mint master, around the rim the legend:
ЧИСТГО СЕРЕБРА 4 ЗОЛОТНИКА 21 ДОЛЯ;
Reverse: in a laurel and oak wreath, a crowned inscription:
МОНЕТА/РУБЛЬ/1851/ С.П.Б.;
